Refactor handler packages

To help with packaging, the handlers in pkg/api/handlers are now found
in pkg/api/handler/compat.

Signed-off-by: Jhon Honce <jhonce@redhat.com>

1 files changed, 196 insertions, 0 deletions

diff --git a/pkg/api/handlers/compat/info.go b/pkg/api/handlers/compat/info.go
new file mode 100644
index 000000000..30b49948d
--- /dev/null
+++ b/pkg/api/handlers/compat/info.go
@@ -0,0 +1,196 @@
+package compat
+
+import (
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"os"
+	goRuntime "runtime"
+	"strings"
+	"time"
+
+	"github.com/containers/libpod/libpod"
+	"github.com/containers/libpod/libpod/config"
+	"github.com/containers/libpod/libpod/define"
+	"github.com/containers/libpod/pkg/api/handlers"
+	"github.com/containers/libpod/pkg/api/handlers/utils"
+	"github.com/containers/libpod/pkg/rootless"
+	"github.com/containers/libpod/pkg/sysinfo"
+	docker "github.com/docker/docker/api/types"
+	"github.com/docker/docker/api/types/swarm"
+	"github.com/google/uuid"
+	"github.com/pkg/errors"
+	log "github.com/sirupsen/logrus"
+)
+
+func GetInfo(w http.ResponseWriter, r *http.Request) {
+	// 200 ok
+	// 500 internal
+	runtime := r.Context().Value("runtime").(*libpod.Runtime)
+
+	infoData, err := runtime.Info()
+	if err != nil {
+		utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrapf(err, "Failed to obtain system memory info"))
+		return
+	}
+	hostInfo := infoData[0].Data
+	storeInfo := infoData[1].Data
+
+	configInfo, err := runtime.GetConfig()
+	if err != nil {
+		utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrapf(err, "Failed to obtain runtime config"))
+		return
+	}
+	versionInfo, err := define.GetVersion()
+	if err != nil {
+		utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrapf(err, "Failed to obtain podman versions"))
+		return
+	}
+	stateInfo := getContainersState(runtime)
+	sysInfo := sysinfo.New(true)
+
+	// FIXME: Need to expose if runtime supports Checkpoint'ing
+	// liveRestoreEnabled := criu.CheckForCriu() && configInfo.RuntimeSupportsCheckpoint()
+
+	info := &handlers.Info{Info: docker.Info{
+		Architecture:       goRuntime.GOARCH,
+		BridgeNfIP6tables:  !sysInfo.BridgeNFCallIP6TablesDisabled,
+		BridgeNfIptables:   !sysInfo.BridgeNFCallIPTablesDisabled,
+		CPUCfsPeriod:       sysInfo.CPUCfsPeriod,
+		CPUCfsQuota:        sysInfo.CPUCfsQuota,
+		CPUSet:             sysInfo.Cpuset,
+		CPUShares:          sysInfo.CPUShares,
+		CgroupDriver:       configInfo.CgroupManager,
+		ClusterAdvertise:   "",
+		ClusterStore:       "",
+		ContainerdCommit:   docker.Commit{},
+		Containers:         storeInfo["ContainerStore"].(map[string]interface{})["number"].(int),
+		ContainersPaused:   stateInfo[define.ContainerStatePaused],
+		ContainersRunning:  stateInfo[define.ContainerStateRunning],
+		ContainersStopped:  stateInfo[define.ContainerStateStopped] + stateInfo[define.ContainerStateExited],
+		Debug:              log.IsLevelEnabled(log.DebugLevel),
+		DefaultRuntime:     configInfo.OCIRuntime,
+		DockerRootDir:      storeInfo["GraphRoot"].(string),
+		Driver:             storeInfo["GraphDriverName"].(string),
+		DriverStatus:       getGraphStatus(storeInfo),
+		ExperimentalBuild:  true,
+		GenericResources:   nil,
+		HTTPProxy:          getEnv("http_proxy"),
+		HTTPSProxy:         getEnv("https_proxy"),
+		ID:                 uuid.New().String(),
+		IPv4Forwarding:     !sysInfo.IPv4ForwardingDisabled,
+		Images:             storeInfo["ImageStore"].(map[string]interface{})["number"].(int),
+		IndexServerAddress: "",
+		InitBinary:         "",
+		InitCommit:         docker.Commit{},
+		Isolation:          "",
+		KernelMemory:       sysInfo.KernelMemory,
+		KernelMemoryTCP:    false,
+		KernelVersion:      hostInfo["kernel"].(string),
+		Labels:             nil,
+		LiveRestoreEnabled: false,
+		LoggingDriver:      "",
+		MemTotal:           hostInfo["MemTotal"].(int64),
+		MemoryLimit:        sysInfo.MemoryLimit,
+		NCPU:               goRuntime.NumCPU(),
+		NEventsListener:    0,
+		NFd:                getFdCount(),
+		NGoroutines:        goRuntime.NumGoroutine(),
+		Name:               hostInfo["hostname"].(string),
+		NoProxy:            getEnv("no_proxy"),
+		OSType:             goRuntime.GOOS,
+		OSVersion:          hostInfo["Distribution"].(map[string]interface{})["version"].(string),
+		OomKillDisable:     sysInfo.OomKillDisable,
+		OperatingSystem:    hostInfo["Distribution"].(map[string]interface{})["distribution"].(string),
+		PidsLimit:          sysInfo.PidsLimit,
+		Plugins:            docker.PluginsInfo{},
+		ProductLicense:     "Apache-2.0",
+		RegistryConfig:     nil,
+		RuncCommit:         docker.Commit{},
+		Runtimes:           getRuntimes(configInfo),
+		SecurityOptions:    getSecOpts(sysInfo),
+		ServerVersion:      versionInfo.Version,
+		SwapLimit:          sysInfo.SwapLimit,
+		Swarm: swarm.Info{
+			LocalNodeState: swarm.LocalNodeStateInactive,
+		},
+		SystemStatus: nil,
+		SystemTime:   time.Now().Format(time.RFC3339Nano),
+		Warnings:     []string{},
+	},
+		BuildahVersion:     hostInfo["BuildahVersion"].(string),
+		CPURealtimePeriod:  sysInfo.CPURealtimePeriod,
+		CPURealtimeRuntime: sysInfo.CPURealtimeRuntime,
+		CgroupVersion:      hostInfo["CgroupVersion"].(string),
+		Rootless:           rootless.IsRootless(),
+		SwapFree:           hostInfo["SwapFree"].(int64),
+		SwapTotal:          hostInfo["SwapTotal"].(int64),
+		Uptime:             hostInfo["uptime"].(string),
+	}
+	utils.WriteResponse(w, http.StatusOK, info)
+}
+
+func getGraphStatus(storeInfo map[string]interface{}) [][2]string {
+	var graphStatus [][2]string
+	for k, v := range storeInfo["GraphStatus"].(map[string]string) {
+		graphStatus = append(graphStatus, [2]string{k, v})
+	}
+	return graphStatus
+}
+
+func getSecOpts(sysInfo *sysinfo.SysInfo) []string {
+	var secOpts []string
+	if sysInfo.AppArmor {
+		secOpts = append(secOpts, "name=apparmor")
+	}
+	if sysInfo.Seccomp {
+		// FIXME: get profile name...
+		secOpts = append(secOpts, fmt.Sprintf("name=seccomp,profile=%s", "default"))
+	}
+	return secOpts
+}
+
+func getRuntimes(configInfo *config.Config) map[string]docker.Runtime {
+	var runtimes = map[string]docker.Runtime{}
+	for name, paths := range configInfo.OCIRuntimes {
+		runtimes[name] = docker.Runtime{
+			Path: paths[0],
+			Args: nil,
+		}
+	}
+	return runtimes
+}
+
+func getFdCount() (count int) {
+	count = -1
+	if entries, err := ioutil.ReadDir("/proc/self/fd"); err == nil {
+		count = len(entries)
+	}
+	return
+}
+
+// Just ignoring Container errors here...
+func getContainersState(r *libpod.Runtime) map[define.ContainerStatus]int {
+	var states = map[define.ContainerStatus]int{}
+	ctnrs, err := r.GetAllContainers()
+	if err == nil {
+		for _, ctnr := range ctnrs {
+			state, err := ctnr.State()
+			if err != nil {
+				continue
+			}
+			states[state] += 1
+		}
+	}
+	return states
+}
+
+func getEnv(value string) string {
+	if v, exists := os.LookupEnv(strings.ToUpper(value)); exists {
+		return v
+	}
+	if v, exists := os.LookupEnv(strings.ToLower(value)); exists {
+		return v
+	}
+	return ""
+}